Guest service speakerphone



FIG. 1 is a perspective view of a guest service speakerphone of the claimed design;

FIG. 2 is an end view of the guest service speakerphone of FIG. 1;

FIG. 3 is a right-hand side view of the guest service speakerphone of FIG. 1;

FIG. 4 is an end view of the guest service speakerphone of FIG. 1, showing the opposite end as shown in FIG. 2;

FIG. 5 is a left-hand side view of the guest service speakerphone of FIG. 1;

FIG. 6 is a top view of the guest service speakerphone of FIG. 1;

FIG. 7 is a bottom view of the guest service speakerphone of FIG. 1; and,

FIG. 8 is a perspective view of the guest service speakerphone of FIG. 1 showing the handset lifted from its cradle.

The broken line showings of the telephone cord in FIGS. 1 and 8 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a guest service speakerphone, as shown and described. 